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• Sharepoint Filename Character Restrictions

Sharepoint Filename Character Restrictions

SharePoint Online File LimitsYou can sync up to 20,000 items in your OneDrive for Business library. This includes folders and files.You can sync up to 5,000 items in a SharePoint library. This includes folders and files.

I have a standard list item edit form, and would like to upload an attachment with invalid file name (for example, invalid characters or exceeding length limitation), on submitting the form I receive an exception.

These are the libraries that you find on various SharePoint sites, such as team sites and community sites, libraries that other people created, or that you created from your Sites page. This also includes syncing other people’s OneDrive personal sites that you may have access to. You can sync multiple SharePoint libraries. Size limit for syncing filesIn any SharePoint library, you can sync files of up to 2 gigabytes (GB). Character limit for files and foldersThese limits apply to files and folders that you add to a synced library folder for uploading to SharePoint.In SharePoint Online, file names can have up to 256 characters.Folder names can have up to 250 characters.Folder name and file name combinations can have up to 250 characters.

Invalid charactersThe following characters in file names aren’t supported when you sync OneDrive for Business with SharePoint Online:/:.?”.